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-rw-r--r--include/linux/range.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/range.h b/include/linux/range.h
index 0789f1412e1f..bd184a5db791 100644
--- a/include/linux/range.h
+++ b/include/linux/range.h
@@ -19,4 +19,12 @@ int clean_sort_range(struct range *range, int az);
void sort_range(struct range *range, int nr_range);
+#define MAX_RESOURCE ((resource_size_t)~0)
+static inline resource_size_t cap_resource(u64 val)
+{
+ if (val > MAX_RESOURCE)
+ return MAX_RESOURCE;
+
+ return val;
+}
#endif